Description
York S1-031-03762-000 Ultra Low NOx Circuit Control Board
The York S1-031-03762-000 is an OEM replacement circuit board engineered specifically for York Ultra Low NOx heating systems. Designed to meet the strict nitrogen oxide (NOx) emission standards required in low-emission zones — including California Air Resources Board (CARB) and SCAQMD-compliant regions — this board serves as the nerve center of your York furnace, coordinating ignition sequencing, burner operation, safety monitoring, and system diagnostics.
Key Features
- Genuine York OEM replacement circuit board — ensures full compatibility with Ultra Low NOx furnace models
- Engineered for Ultra Low NOx combustion systems, supporting compliance with stringent regional emission standards
- Manages ignition sequencing, burner staging, and blower motor control for optimized heating performance
- Integrated safety lockout logic protects against ignition failure, flame rollout, and pressure switch faults
- Supports diagnostic fault codes to simplify troubleshooting and reduce service time
- Direct drop-in replacement — no field modifications required for compatible York models
- Durable construction designed to withstand the thermal and electrical demands of residential and light commercial heating environments
Application
This circuit board is a direct OEM replacement part for compatible York Ultra Low NOx gas furnaces. It is ideal for HVAC technicians and contractors servicing York equipment in markets requiring Ultra Low NOx compliance. Always verify compatibility with the specific York furnace model number before installation.
Why Choose Genuine York OEM Parts?
Using genuine York OEM replacement components ensures your equipment operates within factory specifications, maintains warranty integrity, and delivers the reliable, efficient performance your customers expect. Aftermarket substitutes may not meet the precise electrical and control requirements of Ultra Low NOx systems.
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